Climatological Report (Seasonal)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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085 CXUS51 KGYX 050043 CLSPWM PWMCLSPWM 000 TTAA00 GYX 040935 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 842 PM EDT TUE JUN 04 2024 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE SPRING SEASON, FROM 3/1/2024 TO 5/31/2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1941 TO 2024 CLIMATE RECORD PERIOD: 1871 TO 2024 (FOR PRECIPITATION) CLIMATE RECORD PERIOD: 1882 TO 2024 (FOR SNOWFALL) WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 94 05/31/1987 LOW -21 03/04/1950 HIGHEST 84 05/22 85 -1 89 05/28 05/23 LOWEST 13 03/01 6 7 18 03/01 AVG. MAXIMUM 54.0 53.5 0.5 54.4 AVG. MINIMUM 38.0 35.6 2.4 36.2 MEAN 46.0 44.5 1.5 45.3 DAYS MAX >= 90 0 0.4 -0.4 0 DAYS MAX <= 32 1 4.2 -3.2 0 DAYS MIN <= 32 26 37.2 -11.2 36 DAYS MIN <= 0 0 0.4 -0.4 0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.55 1983 MINIMUM 4.23 1965 TOTALS 17.07 12.16 4.91 12.27 DAILY AVG. 0.18 0.13 0.05 0.13 DAYS >= .01 36 34.9 1.1 29 DAYS >= .10 28 21.1 6.9 19 DAYS >= .50 8 8.2 -0.2 8 DAYS >= 1.00 6 2.7 3.3 4 GREATEST 24 HR. TOTAL 2.40 03/09 TO 03/10 SNOWFALL (INCHES) RECORDS TOTAL 61.5 1906 TOTALS 13.7 16.4 -2.7 14.0 SINCE 7/1 38.0 68.7 -30.7 56.5 SNOWDEPTH AVG. 0 DAYS >= TRACE 7 6.4 0.6 12 DAYS >= 1.0 2 3.5 -1.5 2 GREATEST SNOW DEPTH 5 04/05 24 HR TOTAL 8.0 04/03 TO 04/04 DEGREE DAYS HEATING TOTAL 1735 1894 -159 1794 SINCE 7/1 6068 6705 -637 6131 COOLING TOTAL 20 11 9 6 SINCE 1/1 20 11 9 6 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 31/300 DATE 03/21 HIGHEST GUST SPEED/DIRECTION 50/150 DATE 03/10 SKY COVER AVERAGE SKY COVER 0.61 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 HEAVY RAIN 7 RAIN 20 LIGHT RAIN 38 FREEZING RAIN 1 LT FREEZING RAIN 1 HEAVY SNOW 1 SNOW 4 LIGHT SNOW 7 FOG 43 FOG W/VIS <= 1/4 MILE 8 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE AVERAGE TEMPERATURE FOR THE SPRING SEASON WAS 46.0 DEGREES, WHICH WAS 1.5 DEGREES ABOVE NORMAL AND WAS THE 5TH WARMEST SPRING ON RECORD. THE WARMEST SPRING ON RECORD WAS IN 2010 WHEN THE AVERAGE TEMPERATURE WAS 48.8 DEGREES. THE COOLEST WAS 37.9 DEGREES IN 1956. THE FOLLOWING TABLE LISTS THE WARMEST SPRINGS ON RECORD AT PORTLAND. WARMEST AVERAGE TEMPERATURE IN SPRING (SINCE 1941)... RANK TEMP YEAR 1 48.8 2010 2 48.2 2012 3 47.0 1991 4 46.4 1998 5 46.0 2024 <=== 6 45.5 2021 7 45.4 2022 45.4 1981 9 45.3 2023 45.3 2020 THE LAST FREEZE OF THE SPRING SEASON OCCURRED ON APRIL 27TH WHEN THE LOW TEMPERATURE DROPPED TO 27 DEGREES. THIS WAS RIGHT AROUND THE NORMAL LAST FREEZE OF APRIL 26TH. A TOTAL OF 17.07 INCHES OF PRECIPITATION FELL, WHICH WAS 4.91 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON MARCH 9TH INTO MARCH 10TH WHEN A TOTAL OF 2.40 INCHES OF RAIN FELL. THE WETTEST SPRING ON RECORD WAS IN 1983 WHEN A TOTAL OF 22.55 INCHES OF PRECIPITATION FELL. THE DIREST WAS 4.23 INCHES IN 1965. THERE WAS A TOTAL OF 13.7 INCHES OF SNOWFALL, WHICH WAS 2.7 INCHES BELOW NORMAL. THE HEAVIEST SNOWFALL OCCURRED ON APRIL 3RD INTO APRIL 4TH WHEN THE PORTLAND AREA RECEIVED 8.0 INCHES. THE LEAST SNOWIEST SPRING WAS IN 1921 AND 1910 WHEN ONLY A TRACE OF SNOWFALL WAS RECORDED. THE SNOWIEST WAS 61.5 INCHES IN 1906. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN SPRING 2024... DATE RECORD PREVIOUS MAY 23 60 - WARMEST LOW TEMPERATURE 59 IN 2012 MAY 23 72 - WARMEST AVERAGE TEMPERATURE 73 IN 1964 $$ DS/SB/HAT